Biohacker Review of HeartMath ⭐⭐⭐ And what I learned from +300 HRV training sessions...

Monday, May 18, 2026

In this review, I'll honestly discuss the pros vs cons of the two HeartMath products, share how I saved nearly 50% on both mindfulness-enhancing devices, compare them to other Biohacking tech I've used, and summarize the state-of-the-art science and studies done evaluating Heartmath's HRV technology.

The Inner Balance Sensor is an innovative self-monitoring and heart rate variability training system for Android and iOS. It gives you the opportunity to self-experiment; run HRV tests to see how different things affect your autonomic nervous system's well-being.

The emWave is a subtly pleasant and mindful technology; the rising and falling light bar on it is sort of mesmerizing.

As I've written about elsewhere, you'll be a lot more disciplined in your personal growth endeavors if you spend money on them. I pay for a gym membership because then I know I'll go. For the same reason, I purchased both Heartmath devices.


Access Heart Hacks Library 💟 For everything you need to know about heart rate variability, the heart-flowstate connection, HRV tech reviews, and little-known heart hacks for living fully for every beat

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I'm not a doctor, medical professional, or trained therapist. I'm a researcher and pragmatic biohacking practitioner exercising free speech to share evidence as I find it. I make no claims. Please practice skepticism and rational critical thinking. You should consult a professional about any serious decisions that you might make about your health. Affiliate links in this article support Limitless Mindset - spend over $300 and you'll be eligible to join the Limitless Mindset Secret Society.


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